function enter(pi) {
    pi.playPortalSE();
    switch (pi.getMapId()) {
    case 130000000:
        pi.warp(130000100, 5); //or 130000101
        break;
    case 130000200:
        pi.warp(130000100, 4); //or 130000101
        break;
    case 140010100:
        pi.warp(140010110, 0); //or 140010111
        break;
    case 120000101:
        pi.warp(120000105, 0);
        break;
    case 103000003:
        pi.warp(103000008, 0); //or 103000009
        break;
    case 100000201:
        pi.warp(100000204, 0); //or 100000205
        break;
    default:
        pi.warp(pi.getMapId() + 1, 0); //or + 2
        break;
    }
}
